Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '98.97.255.0'
+231
ERRNo PTR record availible DNS server 'pdns111.ultradns.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.255.97.98.in-addr.arpa'.